A breast ultrasound is an imaging technique used to screen for tumors and other breast abnormalities. The ultrasound uses high-frequency sound waves to produce live images of the inside of your breast. Unlike X-rays and CT scans, ultrasounds use n...

A magnetic resonance imaging (MRI) scan is a noninvasive test that uses magnets and radio waves to create images of the inside of your body. It allows doctors to see details of your organs and tissues without having to make any incisions. Accordin...